forked from OSchip/llvm-project
58 lines
1.7 KiB
LLVM
58 lines
1.7 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc < %s -mtriple=i686-unknown-linux-gnu | FileCheck %s --check-prefix=X86
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; RUN: llc < %s -mtriple=x86_64-unknown-linux-gnu | FileCheck %s --check-prefix=X64
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define i32 @fn() {
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; X86-LABEL: fn:
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; X86: # BB#0: # %entry
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; X86-NEXT: cmpl $1, %eax
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; X86-NEXT: sete %cl
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; X86-NEXT: movl $-1, %eax
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; X86-NEXT: jne .LBB0_2
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; X86-NEXT: # BB#1: # %entry
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; X86-NEXT: xorl %eax, %eax
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; X86-NEXT: .LBB0_2: # %entry
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; X86-NEXT: addb %cl, %cl
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; X86-NEXT: shll %cl, %eax
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; X86-NEXT: .p2align 4, 0x90
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; X86-NEXT: .LBB0_3: # %bb1
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; X86-NEXT: # =>This Inner Loop Header: Depth=1
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; X86-NEXT: testl %eax, %eax
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; X86-NEXT: je .LBB0_3
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; X86-NEXT: # BB#4: # %bb2
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; X86-NEXT: retl
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;
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; X64-LABEL: fn:
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; X64: # BB#0: # %entry
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; X64-NEXT: xorl %edx, %edx
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; X64-NEXT: cmpl $1, %eax
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; X64-NEXT: sete %cl
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; X64-NEXT: movl $-1, %eax
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; X64-NEXT: cmovel %edx, %eax
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; X64-NEXT: addb %cl, %cl
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; X64-NEXT: shll %cl, %eax
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; X64-NEXT: .p2align 4, 0x90
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; X64-NEXT: .LBB0_1: # %bb1
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; X64-NEXT: # =>This Inner Loop Header: Depth=1
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; X64-NEXT: testl %eax, %eax
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; X64-NEXT: je .LBB0_1
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; X64-NEXT: # BB#2: # %bb2
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; X64-NEXT: retq
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entry:
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%cmp1 = icmp ne i32 undef, 1
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%cmp2 = icmp eq i32 undef, 1
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%sel1 = select i1 %cmp1, i32 0, i32 2
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%sel2 = select i1 %cmp2, i32 2, i32 0
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%sext = sext i1 %cmp1 to i32
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%shl1 = shl i32 %sext, %sel1
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%shl2 = shl i32 %sext, %sel2
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%tobool = icmp eq i32 %shl1, 0
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br label %bb1
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bb1: ; preds = %bb1, %entry
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br i1 %tobool, label %bb1, label %bb2
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bb2: ; preds = %bb1
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ret i32 %shl2
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}
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